import axios from "axios";

const service = axios.create({
    responseType:'arraybuffer'
})

service.interceptors.request.use(config=>{
    config.headers['Authorization'] = window.sessionStorage.getItem('tokenStr');
    return config;
},error => {
    console.log(error)
})

service.interceptors.response.use(resp=>{
    const headers = resp.headers;
    let reg = RegExp(/application\/json/);
    if (headers['content-type'].match(reg)){
        resp.data = unitToString(resp.data)
    }else {
        let fileDownload = require('js-file-download');
        let fileName = headers['content-disposition'].split(';')[1].split('filename=')[1];
        let contentType = headers['content-type'];
        fileName = decodeURIComponent(fileName);
        fileDownload(resp.data,fileName,contentType);
    }
},error => {
    console.log(error);
});

function unitToString(unitArray) {
    let encodedString = String.fromCharCode().apply(null,new Uint8Array(unitArray));
    let decodedString = decodeURIComponent(escape(encodedString));
    return JSON.parse(decodedString)
}

let base = '';
export const downloadRequest=(url,params)=>{
    return service({
        method:'get',
        url:base+url,
        data:params
    })
};

export default service;
